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Via Daily Mail
At least 20 government fighters and militia have been killed in an attack by Syrian rebels, after they tunnelled under an army position and detonated an underground bomb.
The explosion took place in the historic old city of Aleppo, an area which has seen horrific violence ever since a major rebel offensive in July 2012.
A powerful rebel alliance called the Islamic Front claimed responsibility for the tunnel blast on Saturday and tweeted a video of the explosion.
The video shows a massive blast erupting from a skyline of rooftops and satellite dishes near the Zahrawi market, throwing chunks of brick and a huge cloud of dust into the air.
The blast came just one day after an air strike was carried out in the Bustan al-Qasr rebel-held neighbourhood in Aleppo, which left dozens killed.
The Britain-based Syrian Observatory for Human Rights activist group said around 2,000 people – a quarter of them children – have been killed since January in regime bombings of the city and its nearby towns and villages.
The Observatory also said fighting took place after the blast – which the Islamic Front claimed had killed 40 people.
It said: ‘Islamist rebels detonated a tunnel near the Zahrawi market in the Old City of Aleppo, killing at least 20 army soldiers and pro-regime militiamen.’
In recent weeks, the Islamic Front has claimed several times that it has used tunnels to plant massive amounts of explosives beneath army positions.